Canon RF 10-20mm F4 L IS STM vs Laowa 8-15mm f/2.8 FF Zoom Fisheye (Canon RF)
Key differences
- —The RF 10-20mm F4 L IS STM is 80g lighter (570g vs 650g).
- —The 8-15mm f/2.8 FF Zoom Fisheye (Canon RF) is faster: f/2.8 vs f/4 (≈1.0 stops more light).
- —At launch the 8-15mm f/2.8 FF Zoom Fisheye (Canon RF) cost $1,600 less ($699 vs $2,299).
- —The 8-15mm f/2.8 FF Zoom Fisheye (Canon RF) is manual focus only.
- —For close-ups the 8-15mm f/2.8 FF Zoom Fisheye (Canon RF) reaches 0.23× vs 0.12×.
- Mount
- Canon RF
- Canon RF
- Focal length
- 10–20mm
- 8–15mm
- Max aperture
- F4
- F2.8◆
- Weight
- 570g◆
- 650g
- Dimensions ⌀ × L
- 83.7 × 112.0mm
- 76.4 × 94.5mm
- Volume
- 616 cm³
- 433 cm³◆
- Density
- 0.92 g/cm³
- 1.50 g/cm³
- Filter thread
- —
- —
- Min focus
- 0.25m
- 0.16m◆
- Max magnification
- 0.12×
- 0.23×◆
- Elements / groups
- 16 / 12
- 13 / 9
- Aperture blades
- 9
- 9
- Focus drive
- Lead-screw STM
- Manual Helicoid
- Stabilisation
- Yes
- —
- Weather sealed
- Yes
- —
- Aperture ring
- —
- Yes
- Released
- 2023
- 2025
- MSRP (USD)
- $2,299
- $699◆
- Sharpness
- 8.6◆
- 8.5
- Bokeh Rendering
- 6.8◆
- 6.0
- Autofocus Speed
- 8.4
- MF
- Flare Resistance
- 7.6◆
- 7.5
- Build / Sealing
- 9.0◆
- 8.5
- Value / Size
- 6.8
- 8.5◆
Performance overlay
- RF 10-20mm F4 L IS STM
- 8-15mm f/2.8 FF Zoom Fisheye (Canon RF)
◆ marks the best value in a row. Scores are 0–10 editorial ratings.